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April 20, 2014

Homework Help: PHYSICS - plz help

Posted by Anonymous on Friday, October 2, 2009 at 11:03pm.

A house painter uses a chair and pulley arrangement to lift himself up the side of a house. The painter's mass is 69.2 kg and the chair's mass is 24.0 kg. With what force must he pull down on the rope in order to accelerate upward at 0.379 m/s2?
The rope that the painter pulls down on goes through a pulley and is attached the chair he is sitting on.

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